– The GPRS service with Global SIM completes a security system. It offers speed, autonomy and reliability in the way the system signals are transmitted. -The disadvantages of landline are eliminated. Even if your landline is damaged, sabotaged or simply does not work by mistake it does not affect the alarm system. With the GPRS service your alarm works and communicates seamlessly. -Global SIM GPRS service can be applied to almost all systems, old or new, offering uninterrupted communication and maximum security -The Global SIM GPRS service ensures a continuous monitoring of the connected alarm system, operating with all providers of the Greek territory. At the same time, it is an economical solution with a fixed charge. For more information, we will be happy to inform you by phone.